| Pease, Helen; Betts, LaVera | Tenharim Museu Wordlist [1] | 1968 | | Language Assessment, Linguistics |
| Pease, Helen; Betts, LaVera | Uru-Eu-Wau-Wau Museu Wordlist | 1991 | | Language Assessment, Linguistics |
| Pease, Helen; Betts, LaVera | Karipuna Museu Wordlist | 1980 | | Language Assessment, Linguistics |
| Pease, Helen; Betts, LaVera | Textos de um Amundava | 1991 | | Linguistics |
| Pease, Helen; Betts, LaVera | Amundava Museu Wordlist | 1991 | | Language Assessment, Linguistics |
| Pease, Helen; Betts, LaVera | Histórias de Kairana | 1976 | | Linguistics |
| Pease, Helen; Betts, LaVera | História de Manuel João | 1977 | | Linguistics |
